import pyutil as pyu
pyu.get_local_pyinfo()

print(pyu.ps2("python-dotenv"))

from typing import List

class Solution:
  def longestMountain(self, A: List[int]) -> int:
    ans = 0
    i = 0

    while i + 1 < len(A):
      while i + 1 < len(A) and A[i] == A[i + 1]:
        i += 1

      increasing = 0
      decreasing = 0

      while i + 1 < len(A) and A[i] < A[i + 1]:
        increasing += 1
        i += 1

      while i + 1 < len(A) and A[i] > A[i + 1]:
        decreasing += 1
        i += 1

      if increasing > 0 and decreasing > 0:
        ans = max(ans, increasing + decreasing + 1)

    return ans

new Solution().longestMountain()